. >>> the latest on what really killed yasser arafat. what is the latest, lisa? >> wolf, the fompler leader's body was exhumed and reburied a short time later. international investigators took examples to test for poison. they're looking for a toxic radioactive element called polonium. they believe israel is behind any poisoning of arafat. the spokesman for benjamin netanyahu tells our own wolf blitzer that they had nothing to do with arafat's death. he died in 2004 after having a brain hemorrge and slip sboog a coma. and the justice department started talks on the fast and furious lawsuit. republicans want to force attorney general eric holder to turn over certain documents tied to the gun trafficking operation. the obama administration has withheld these documents under executive privilege. holder tells cnn "i think there's a deal that can be struck." and we will bring you more on this very important story in the next hour of "the situation room." and the u.s. navy wants to replace the aging fleet of marine one helicopters. reuter reports the navy plans to buy